An E4 display means that the dehumidifier is noticing any change in the temperature of the air coming in and the temperature of the refrigerated coil in the cabinet.
See the reasons behind the diagnosis, learn how to troubleshoot the issue, and reassemble the dehumidifier to make sure it is working properly.
Any questions? Please contact our AprilAire Technical Support Team at 1-800-334-6011.
For more information, please visit our contactors only website - https://www.aprilairepartners.com/
